package com.jwetherell.motion_detection.detection;


/**
 * This interface is used to represent a class that can detect motion
 * 
 * @author Justin Wetherell <phishman3579@gmail.com>
 */
public interface IMotionDetection {

	/**
	 * Get the previous image in integer array format
	 * @return int array of previous image.
	 */
	public int[] getPrevious();
	
	/**
	 * Detect motion.
	 * @param data integer array representing an image.
	 * @param width Width of the image.
	 * @param height Height of the image.
	 * @return boolean True is there is motion.
	 * @throws NullPointerException if data integer array is NULL.
	 */
	public boolean detect(int[] data, int width, int height);
}
